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STL Submission: 2t]05_05-0198 <br /> 'IrAff"T"UH06' <br /> .Gas/BTEX Fuel Oxygenates by 82608 <br /> TRC Alton Geoscience- Irvine <br /> Attn.: Anju Farfan <br /> 21 Technology Drive <br /> Irvine, CA 92718 <br /> Phone: (949) 341-7440 Fax: (949)753-0111 <br /> Project: 41050001 FA20 Received: 06/07/2005 16.50 <br /> Conoco Phillips# 11195 <br /> Site: 16500 S. Interstate 5 Lathrop <br /> Batch QC Report <br /> Prep(s)- 50306 Test(s):82608 <br /> Matrix Spike (M$!MSD ) Water <br /> QC Batch:#2005106!18-1A.66 <br /> MW-12 » MS Lata ID. 2005-06=0198-002 <br /> MS - , 2005/06/18 1A 66-015 Extracted 06/18120Q5 Analyzed: - 06/18/2005 09:15 <br /> I <br /> ,., .pilutlan:. i00 <br /> MSD. 20061061.18 1A,66=040 Extracted:06/18/2005 Analyzed: 06!1812005 09.40 <br /> t7lution 1:00 <br /> Compound Cone. uglL Spk.Level Recovery% Limits% Flags <br /> MS MSD Sample uglL MS MSD RPD Rec. RPD M5 MSD <br /> Methyl tent-butyl ether 18.9 18.8 ND 25 75.6 75.2 0.5 65-165 20 <br /> Benzene 20.6 19.1 ND 25 82.4 76.4 7.6 69-129 20 <br /> Toluene 23.2 21.8 ND 25 92.8 87.2 6.2 70-130 20 <br /> Surragate(s) <br /> 1,2-Dichloroethane-d4 499 490 500 99.8 98.0 73-130 <br /> Toluene-d8 504 506 500 900.8 101.2 81-114 <br /> Severn Trent Laboratories, Inc. 06/24/2005 17:36 ' <br /> STL San Francisco•1220 Quarry Lane,Pleasanton,CA 94566 <br /> Apert.1 S.—Trent Plc Tel 925 484 1919 Fax 925 484 1096'www.stl-Ino.com"CA DHS ELAP#2496 Page 11 of 13 <br />